Shadish, William R <br/><br/>
Foundations of program evaluation :  theories of practice / 
by William R. Shadish, Jr., Thomas D. Cook, Laura C. Leviton. 
 - Newbury Park, Calif. :  Sage Publications,  c1991. 
 - 529 p. : 
<br/><br/>Includes bibliographical references (p. 486-511) and indexes. 
<br/><br/><label>ISBN: </label>0080393551 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs)
<br/><br/><label>Dewey Class. No.: </label>361.60684